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Date:      Mon, 18 Feb 2002 19:10:18 -0800 (PST)
From:      Bing Li <calibing@yahoo.com>
To:        freebsd-ipfw@freebsd.org
Subject:   Difference between "src to dst" and "dst to src"
Message-ID:  <20020219031018.39579.qmail@web21410.mail.yahoo.com>

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Hi,

Is there any difference between the two as follows:

add 100 allow tcp from src to dst 22
add 101 allow tcp from dst 22 to src

I was confused with the output of "ipfw show":

00100    1532    112460 allow tcp from src to dst 22
00101    1101    275166 allow tcp from dst 22 to src

Why are the values of second columes different?
So are the values of third columes. The traffic was
generated only by ssh from src to dst.

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